Professor Patricia Tai graduated with a gold medal from the University of Hong Kong in 1984. Since then, she has become an experienced clinical oncologist with expertise in skin and urologic cancers. She is one of the international experts on Merkel cell carcinoma and has been an author for UpToDate since 2000. She has authored 149 full publications and 167 abstracts. In addition to being an honorary Professor at the University of Hong Kong and a clinical professor at the University of Saskatchewan, Canada, she currently works with UpToDate and welcomes collaborations on photodynamic therapy, Merkel cell carcinoma, and prostate cancer.